Canada's biodiversity is in decline. Globally, climate change, urbanization, overexploitation of resources and habitat loss ...

Increases in available nitrogen can alter ecosystems by increasing primary productivity and impacting carbon storage (Galloway et al. 1994). Because of the importance of nitrogen in all ecosystems ...

There are many other old-growth forests across the continent. Each of these forests has a unique ecology, but all are under ...

All major components of our environment - land ... and biodiversity loss have detrimental effects on the very ecosystem services that support local communities, national economies, and overall human ...

Wetlands, rivers, lakes, and coastal estuaries are all aquatic ecosystems—critical elements of Earth’s dynamic processes and essential to human economies and health. Wetlands connect land and ...

and tundra ecosystems. But all can be contained within three main categories:terrestrial ecosystems on land;freshwater ecosystems in rivers and lakes;and ocean water ecosystems at sea. Take a look ...

If we lost all 4,400 species of roach, entire ecosystems would struggle to survive. Believe it or not, we'd have even worse troubles ahead since we'd face a serious poop problem without one of the ...

Humans value natural systems in many ways. Should all of these values be expressed in economic terms? Or, do ecosystems have value independent of humans? Aa Aa Aa What is the value of an intact ...